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JBL Consumer Products Inc., 250 Crossways Park Dr., Woodbury, New York 11797

CM40/40A

W

PACKAGE

WIRING DIAGRAM

2-99  

REV A

Technical Manual

CM40/40AW

SPECIFICATIONS

ACOUSTIC & ELECTRICAL SPECIFICATIONS:

• Nominal Impedance:

6 ohms

• Max Amp Power:

75 Watts

• Frequency Response:

70 Hz – 16 kHz 

• Sensitivity:

87 dB 1 Watt @ 1 Meter

SYSTEM COMPONENTS:

• Cabinet:

CM40/40AW (Not For Sale)

• Grille:

CM40 (Black) WI0720-B 
CM40AW (Black) WI0720-1B 
CM40 (White) WI0720-W
CM40AW (White) WI0720-1W

• Low/Mid Frequency

CM40 - 4” Shielded Driver 

Transducer:

(CM40WO)
CM40AW - 4” Shielded Driver
(CM40AWO)

DC Resistance:

3.4 ohms ±10% 

BLK

INPUT

R1
4.3

5W

C1
30

µ

F

100V

L1
CM40 0.27mH
CM40AW 0.39mH

L.F./M.F.

Owner’s Manual AI0197
Warranty Card AI0193

Rubber Feet (8)
CM40/40AW (BLK) WI0742-B
CM40/40AW (WHT) WI0742-W

Upper/Lower 
Foam
WP0254

Packaging

Carton, Beauty
CM40 (BLK) WG442-B
CM40 (WHT) WG442-W
CM40AW (BLK) WG442-1B
CM40AW (WHT) WG442-1W

YEL

LMP(2)

SYSTEM COMPONENTS: 

(cont’d)

• Crossover Network:

CM40 (WI0719) 
CM40AW (WI0726)

AURAL SWEEP TEST SPECIFICATIONS:

A. System Aural Sweep Test:

4.0V Input, 20 Hz to 16 kHz

B. L.F. Aural Sweep Test:

3.0V Input, 20 Hz to 16 kHz

PHYSICAL SPECIFICATIONS:

• Enclosure Dimensions:

10 x 5 3/4 x 4 in. (H x W x D)
(225mm x 147mm x 104mm)

WEIGHT:

6 lbs. (2.7 kg.) Each
(Sold in Pairs)

WARRANTY INFORMATION:

• Refer to the Warranty Statement packed with each product.

SCHEMATIC CM40 (CM40AW Noted)

Network
CM40 (WI0719)
CM40AW (WI0726)

Driver, Low/Mid Freq
CM40 (CM40WO)
CM40AW (CM40AWO)

YEL

BLK

CM4040AW.qxd   3/1/99  11:49 AM  Page 1

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